Hellō

Privacy-first identity and authentication for the modern web

At Hellō, we're building the future of user authentication—one that puts privacy first and puts users in control of their digital identity.

🎯 Our Mission

We believe that authentication should be simple for developers to implement, seamless for users to experience, and secure by design—all without sacrificing user privacy. Hellō is an identity provider that enables users to register and log in using their choice of popular social logins, email, or phone authentication, without tracking them.

🔐 What We're Building

Privacy-First Authentication

• No tracking: Unlike traditional social login providers, we don't collect or sell user data
• User choice: Support for multiple authentication methods including social logins, email, and phone
• Standards-based: Built on OpenID Connect and OAuth 2.0 for security and interoperability

Developer-Friendly Integration

We provide SDKs and tools for all major web frameworks and platforms:

• Express.js - Quick integration for Express applications
• Fastify - Native support for Fastify apps
• Next.js - Including App Router support
• React - React components for authentication flows
• Svelte - Svelte components for modern apps
• Mobile Apps - OAuth support for mobile applications

Developer Tools

• Quickstart CLI - Get up and running in minutes
• Helper Libraries - Both server-side and client-side utilities
• Comprehensive Documentation - Step-by-step guides and API references

🌟 Why Choose Hellō?

For Users:

• Privacy-protected authentication
• Choice in how they authenticate
• No tracking or data harvesting
• Consistent experience across applications

For Developers:

• Simple, standardized integration
• Reduced authentication complexity
• No vendor lock-in (built on open standards)
• Comprehensive platform support

For Businesses:

• Improved user trust through privacy protection
• Reduced legal compliance burden
• Better user conversion rates
• Enterprise-grade security

🚀 Getting Started

Ready to implement privacy-first authentication? Check out our quickstart guides or explore our JavaScript packages.

# Get started with our CLI
npm install -g @hellocoop/quickstart
npx @hellocoop/quickstart

🔬 Innovation & Research

We're also working on cutting-edge identity technologies:

• Verified Email Autocomplete - Experimental protocol for streamlined email verification
• Web Identity Standards - Contributing to the future of web-based identity protocols

📚 Learn More

• Website: hello.dev
• Documentation: hello.dev/docs
• JavaScript Packages: github.com/hellocoop/packages-js

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Building a more private and user-centric web, one authentication at a time.